World's happiest countries

March 20 is the International Day of Happiness, which recognizes "happiness and well-being as universal goals and aspirations in the lives of human beings around the world," according to the United Nations. Take a look at this year's list of the happiest countries in the world.

March 20 is the International Day of Happiness, which recognizes "happiness and well-being as universal goals and aspirations in the lives of human beings around the world," according to the United Nations. Take a look at this year's list of the happiest countries in the world.

Hillary Clinton did not have a State Department email account while she served as America's top diplomat, a senior state department official said Monday, and instead used a personal email account during her four years on the job.